Radiator for stoves



J. C. FLETCHER.

Heating Dru m.

Patented May 24, 1853.

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UNITED STATES PATENT OFFICE.

JOHN G. FLETCHER, OF BURLINGTON, IOWA.

RADIATOR FOR STOVES.

Specification of Letters Patent N 0. 9,745, dated May 24, 1853.

To all whom it may concern:

Be it known that I, J OHN C. FLETCHER, of Burlington, in the county of Des Moines and State of Iowa, have invented certain new and useful Improvements in Stoves; and I do hereby declare the following to be a full, clear, and exact description of the same, reference being had to the accompanying drawing, making a part thereof, and which represents a vertical section taken through the center of the stove at right angles to the axis of the outer shell or cylinder.

The nature of my invention consists in combining with the fire chamber and escape pipe a series of concentric flues, having communicating passages one with the other, so that the products of combustion shall commence in their passage in the outer flue, and passing through the series escape at the center flue, and so that the heat of one flue shall be communicated to the next succeeding one, and by heating and Warming that to prepare it for rarefying the air and transmitting the draft more rapidly through the series.

To enable others skilled in the art to make and use my invention, I will proceed to describe the same with reference to the drawings.

This stove is more peculiarly adapted to the burning of coal, but may with great economy be used with wood.

The fire chamber A is placed underneath the flue cylinder, and the heated products of combustion pass in the direction indicated by the arrows through the series of flues B, B, B, &c., one Within the other, and gradually approaching the center flue C, whence they may be carried to the chimney. These fines are connected by the inclined passages D, D, D, but it is obvious that, in-

stead of concentric flues and communicating passages, the flues may be eccentric and serve an equivalent purpose.

This stove may be made of either sheet or cast iron, and put together by flanges, grooves, rods and nuts, or in any other well known manner, and may be built vertical or horizontal, the object of the series of'flues, which may be increased or diminished at pleasure, being that one flue shall impart a portion of its heat to the flue in advance of it, and thus cause the escaping heat to rarefy the air in advance of the draft and thus produce a sufficient draft in a long flue to effectually keep up the fire, and present a large surface of metal to be heated. By this method of constructing stoves it will be perceived that the escaping heat, smoke and other similar products come into immediate Contact with every piece or portion of the stove, which takes up almost the entire escaping heat, while the repeated metallic connections between the flues, and the outer ends of the stove, bring by eduction, a great portion of the internal heat, to said ends, where it is radiated into the room.

Having thus fully described the nature of my invention what I claim therein as new and desire to secure by Letters Patent is,

The interposition, between the fire chamber and the exit pipe of a stove, of a series of concentric flues or a spiral flue so arranged as that the heat of one flue shall pass through the partitions and in whole or in part be transmitted to the next flue or portion of the flue in advance, and prepare it for transmitting the draft through the series substantially as described.

J. C. FLETCHER.

Witnesses:

A. B. SToUoHToN, T. C. DUNN. 

